Neutral Earthing Resistor
The essential parameters needed to design aGrounding resistor are:
Nominal voltage
Fault current
Fault duration (10s is customary)
Other relevant parameters are:
Protection degree of enclosure: fromIP00-i.e. no enclosure to IP55, standard solution IP23
Enclosure finish: our standard is mild galvanized,but different stainless steel grades are available; Painting in the desired RALcolor is also an option
Continuous current rating: it may affectsignificantly the performance of the resistor, especially when high IP degreesare required.
Environment and elevation: we designresistors for the harshest industrial or natural settings
Auxiliary components: during our many yearsof operation we have selected a number of trusted suppliers for a wide choiceof components, such as Current Transformers, Switches, Disconnectors, etc.
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